1024792280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{287863}}^1$

素因数の和:287963

約数の個数: 32

約数和(自身を含む): 2331698400

約数和(自身を除く): 1306906120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 287863, 575726, 1151452, 1439315, 2302904, 2878630, 5757260, 11514520, 25619807, 51239614, 102479228, 128099035, 204958456, 256198070, 512396140, 1024792280]

約数ペア:

[(1, 1024792280), (2, 512396140), (4, 256198070), (5, 204958456), (8, 128099035), (10, 102479228), (20, 51239614), (40, 25619807), (89, 11514520), (178, 5757260), (356, 2878630), (445, 2302904), (712, 1439315), (890, 1151452), (1780, 575726), (3560, 287863)]